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The Story of Oil

Teacher: Mrs. Williams
Across
Much of the oil is made into ______.
A thick, gooey, sticky substance.
The material used to pave roads.
What kind of fuels are scientists working on?
The dead plant and animal material was slowly changed into ____.
A special factory where the oil is separated into useful products.
Fuels that do not produce as much pollution and we can make more of them.
Down
This is one thing that is made from oil.
A car's engine burns this.
These are used to generate electricity.
Egyptians used pitch to coat _____.
When the plants and animals died, their bodies sank to the bottom of the ______.
Fuels made from oil cause a lot of this.
Millions of years ago, most of Earth's surface was covered with this.